Home / 8,941.78-12,339.07-4,962.88

Finding the Fourth Proportional to 8,941.78, 12,339.07 and 4,962.88

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Solution

The fourth proportional to 8,941.78, 12,339.07 and 4,962.88 is: 6,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.78 : 12,339.07 = 4,962.88 : x
  2. Step 2: Convert to fraction form
    8,941.78/12,339.07 = 4,962.88/x
  3. Step 3: Cross multiply
    8,941.78x = 12,339.07 × 4,962.88
  4. Step 4: Simplify right side
    8,941.78x = 61,237,323.72
  5. Step 5: Solve for x
    x = 61,237,323.72/8,941.78
  6. Step 6: Final answer
    x = 6,848.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.